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SITCSection 5
U.S. imports of oleic, linoleic, and linolenic acids, their salts and esters (SITC 51378) totaled $955K in April 2026, traded with 17 countries.
Importers of Oleic, Linoleic, and Linolenic Acids, Their Salts and Esters paid $155K in duties in April 2026 — an effective duty rate of 16% on $955K in dutiable value, based on actual customs collections rather than the published tariff schedule. Oleic, Linoleic, and Linolenic Acids, Their Salts and Esters imports of $955K in April 2026 ran 16% above the year-to-date monthly average of $820K.
Last updated: April 2026 dataOleic, linoleic, and linolenic acids are unsaturated C18 fatty acids derived from vegetable oils — olive, sunflower, soybean, and linseed being the primary feedstocks — and their esters and salts serve as emollients in personal care, drying oils in alkyd resins, and nutritional supplements. Linolenic acid, particularly in its alpha (ALA) form from linseed oil, is commercially important as an omega-3 precursor in food and nutraceutical applications. The degree of unsaturation (mono- vs. polyunsaturated) and the specific isomer (e.g., conjugated linoleic acid, CLA) can affect both classification and end-use regulatory requirements. Importers of food-grade or supplement-grade esters should be prepared for FDA review of labeling claims.
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CLA is a positional and geometric isomer of linoleic acid and is generally captured within this heading, though its specific HTS subheading should be confirmed with a licensed customs broker given its distinct CAS number and commercial form (often as a triglyceride or free acid). CLA marketed as a dietary supplement ingredient may also require FDA notification under the new dietary ingredient (NDI) framework.
Food-grade oleic acid must meet purity and contaminant specifications (e.g., peroxide value, heavy metals) consistent with food additive or GRAS status, and the commercial invoice should reference the applicable food-grade standard. Industrial-grade material used in lubricants or coatings does not require food-safety documentation but must still be accurately described to avoid misclassification.
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Monthly import values over time